Adjustable piano-bench.



W. G; BINGKLEY.

ADJUSTABLE PIANO BENCH.

A APPLICATION FILED MAY 13, 1910. l

974,018, f Patented Oct. 25, 1910.

2 SHEETS-SHEET l.

" I/vzziamalmhzgy WAL/Immo@ @Howe/1g W. C. BINGKLEY.

ADJUSTABLE PIANO BENCH. APPLICATION FILED MAY 1s, 1910.

2 SHEETS-SHEET 2.

I "Il" III-zllllllllll Patented Oct. 25, 1910.

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f UNITED .STATES .PATNT OFFICE. f

WILLIAM c. BINcxnEY, or inermi., rumana. A

Specioation'. o1' Letters Patent.

Apnomon :use any 1a, 1910.l serial 1ro. 501,121.

To all whom 'it may concern: i l l Be it known thatI, vWILLIAM C. BINcii- LEY, a citizen of the United States, residing the body of the bench so that when the top is lowered from a raised position and de-V scends on the body of the bench an alr pocket will be formed between the top and body, whereby the danger of the top descending with considerable force on the body will be positively prevented.

.l-Vith these and 4other objectsl in. View, which will more fully hereinafter appear, the present invention consists in certain novel details of construction andarrangement of parts, hereinafter fully described, illustrated in the accompanying drawings, and more particularlx-1 pointed out in the appended claim; it. being understood that varlous changes in the forni, proportion,

size, and minor details lof the device may be made, within the scope of the appended claim, without departing from the spirit or sacrificing any of the advantages of the invention.

In the accompanying drawings, forming a part of the speciicationg-Figure 1 is a perspective view 'of the device showing the top in raised position. Fig. 2 .is a longitudinal sectional View showing the devices for holding the top in raised position. Fig. 3 is a plan view of the body with the top removed. Fig. 4 is a perspective` of one en(` portion of the device showing the top in lowered position.

Similar numerals of reference are employed to designate corresponding parts throughout.. l

4The body is designated by the numeral 5 Vand is shown to be of oblong shape and is supported by the legs arranged at the four corners thereof.

The top is shown to lnclude a seat-board designated bythe numeral 7 somewhat greater in` length and width than the body 5 and provided on its opposite sides with deseat-board 7.

"endswith depending end members '9 corresponding in width to the 'side members v8. With this construction it will be seen that the top is hollow and when moved' downwardly for a sulicient distance,l in a' man-v ner to be presently described, will completely house the body 5. Formed in the `u per ends of the legs 6 ar axial bores 10, t ese bores alining with openings 11 formed in the corner portions of the body 5.- De ending from the-lower the four corners thereof are rack bars 12 the depths o the bores 10 and are of'diameters somewhat less than the diameters of the presented toward the central portion of the p Slidingly fittedv in grooves formed in the upper ends of thelegs 6 are latch bolts 13. The'inner ends of the latch bolt are beveled, as shown at 14 and are designed when moved outwardly to engage with the teeth of the rack bars 12. Arranged adjaclent to the opposite sides of the body 5 and at the medial portion thereof aref a pair of' disks 14 and 15. These disks are provided with diametrically disposed eccentric openino's which receive studs 16 projecting upwardly from the upper surfaces of the disks. Connection between the studs and inner ends of the latch bolts 13 is established by means of connecting rods 17, the opposite ends of which are pivoted to the studsy and latch bolts 13. Wlth this construction it will be manifest when the disks are partly rotated in one direction that the latch bolts will `be moved inwardly and out of engage; ment with the teeth of the .racks 12.

In order that both disks may be moved simultaneously a bar 18 is employed, the said bar having its opposite ends pivoted to eccentrically disposed studs arranged on the upper faces of the disks and at points between `the studs 16. Arranged on either side of the middle of the-bar 18 arebushings 19 and surrounding the medial portion of the bar between the bushings is the looped end 20 of an operating rod 21. The operating rod 21 extends through a vertical slot formed in the medial portion of one side of the top, its outer end being1 provided with a knob 22 forming a han old for the operator. With this construction it will be correspondin in length, approximately, to

bores 10. The teeth of the rack bars 12 are p Patented oct. 25, 191e.

. pending side'members 8, and at 'its opposite surface of the seatoard 7 and adjacent to manifest, assumin that thelatches are in engagement with t e rack basthat an outward n ull on the knob 22 Awill rock the disks 14, w ereby the latches willbe simultanelusly moved from engagement with the rack ars. l

In order that the knob may be yieldingly held against outward movement and in engagement with the side of the top a spring arm 23 is employed. This member has one end secured to the upper faceof the body 5, its free end extending across the middle of the bar 18 and bearing on one side of the v looped end. 20 so that when the knob 22 is pulled outwardly the looped end 20 will tension the spring arm 23, so that when the knob 22 is released the resiliency of the arm 23 will move the knob and rod to which it secured inwardly.

It will be observed when the top is in raised position as shown in Fignl and released 1n the manner before described that during its descent the air confined between the upper face of the body and top will pair of oppositely disposed disks, rods connecting saidrbolts to said disks, a bar connecting said disks and provided with spaced bushings, and a spring dpressed operating rod havln its inner en portion slidably fitted on t at portion of the bar between said bushin s and ada ted to simultaneously move said isksto slide said bolts from engagement with the rack bars.

` In testimony whereof I affix my .signature in presence of two witnesses.

WILLIAM C. BINCKLEY.

Witnesses:

THERESIA II.-B1NCKLEY, rF. C. Konsum. 

